SSIO_9_NS_SDZ_P1-12

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(–t + 10)2 = č) (–b – 3)2 =

4 Dopolni.

a) (a + )2 = + + 9

b) ( – 6)2 = x2 – +

c) (b – )2 = – 16b + č) (2x + )2 = + 16x +

d) (3x – )2 = – + 25y2 5 Poenostavi.

a) (2x – 3)2 – 3x =

3 Popravi napake v zapisanem kvadratu.

DELOVNA RAZLIČICA DELOVNA RAZLIČICA

b) y(2y – 4) – (8x + 2y)2 =

c) (2a – 6b)(7a + 3b) + (5a – 2b)2 = č) (6m – 7n)2 – (2m – 3n)(4m – 5n) = *d) 0,5x(4x – 7) – 0,2x + 1 422 = 6 Kateri dvočlenik je kvadriran? Dopolni. a) ( )2 = a2 + 6a + 9 b) ( )2 = b2 –

+ 25

( )2 = 4x2 + 20xy + 25y2 č) ( )2 = 16x2 – 24xy + 25y2

( )2 = 36a4 – 12a2b2 + 42 *e)

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SSIO_9_NS_SDZ_P1-12 by Založba Rokus Klett, d.o.o. - Issuu